qwaylandtouch_p.h

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QWAYLANDTOUCH_H
#define QWAYLANDTOUCH_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <qpa/qwindowsysteminterface.h>
 
#include <QtWaylandClient/private/qwayland-touch-extension.h>
#include <QtWaylandClient/qtwaylandclientglobal.h>
#include <QtCore/private/qglobal_p.h>
 
QT_BEGIN_NAMESPACE
 
namespace QtWaylandClient {
 
class QWaylandDisplay;
class QWaylandInputDevice;
 
class Q_WAYLANDCLIENT_EXPORT QWaylandTouchExtension : public QtWayland::qt_touch_extension
{
public:
    QWaylandTouchExtension(QWaylandDisplay *display, uint32_t id);
    ~QWaylandTouchExtension() override;
 
    void touchCanceled();
 
private:
    void registerDevice(int caps);
 
    QWaylandDisplay *mDisplay = nullptr;
 
    void touch_extension_touch(uint32_t time,
                               uint32_t id,
                               uint32_t state,
                               int32_t x,
                               int32_t y,
                               int32_t normalized_x,
                               int32_t normalized_y,
                               int32_t width,
                               int32_t height,
                               uint32_t pressure,
                               int32_t velocity_x,
                               int32_t velocity_y,
                               uint32_t flags,
                               struct wl_array *rawdata) override;
    void touch_extension_configure(uint32_t flags) override;
 
    void sendTouchEvent();
 
    QList<QWindowSystemInterface::TouchPoint> mTouchPoints;
    QList<QWindowSystemInterface::TouchPoint> mPrevTouchPoints;
    QPointingDevice *mTouchDevice = nullptr;
    uint32_t mTimestamp;
    int mPointsLeft;
    uint32_t mFlags;
    int mMouseSourceId;
    QPointF mLastMouseLocal;
    QPointF mLastMouseGlobal;
    QWindow *mTargetWindow = nullptr;
    QWaylandInputDevice *mInputDevice = nullptr;
};
 
}
 
QT_END_NAMESPACE
 
#endif // QWAYLANDTOUCH_H